Description

The 1M122 Transformer Parallel Control System is designed to monitor & control the tap changers of up to four (4) transformers connected on a common bus & operating in a MASTER FOLLOWER control configuration. The tap position of each transformer is monitored as well as the raise / lower commands initiated by the selected master voltage regulating relay. Parallel control schemes are available to meet a range of transformer control configurations.

The 1M122A is designed for applications where a separate & identical control cubicle is required for each transformer. Any transformer may be selected as INDEPENDENT, MASTER or FOLLOWER.